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	<title>IFRAME: Browser Peculiarities: MARGINHEIGHT and MARGINWIDTH attributes</title>
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.assert { color: green; }
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<big><b><u>Assertion:</u></b></big>
<div class="assert">There appears to be different default interior padding values 
controlled by the MARGINHEIGHT and MARGINWIDTH attributes. 
In other words, if only one of these attributes is specified, the default for the 
unspecified attribute will be different than the default for the attribute if BOTH 
attributes are specified. [That looks confusing even to ME =)] It is possible 
(though unverified) that in instances where only one value is present it is used 
as the margin value for BOTH dimensions.</div>
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<b>Simple IFRAME, no MARGINHEIGHT or MARGINWIDTH attributes applied:</b>
<hr>
filler text
<iframe src="iframetest.htm" height="100" width="100"></iframe>
filler text
<hr>
<br>

<b>Simple IFRAME, MARGINWIDTH=20; no MARGINHEIGHT specified:</b>
<hr>
filler text
<iframe src="iframetest.htm" marginwidth="20" height="100" width="100"></iframe>
filler text
<hr>
<br>

<b>Simple IFRAME, MARGINWIDTH=20, MARGINHEIGHT=20:</b>
<hr>
filler text
<iframe src="iframetest.htm" marginwidth="20" marginheight="20" height="100" width="100"></iframe>
filler text
<hr>
<br>

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